| Place Name | Winfield Township |
| Place Type | Township |
| County | DuPage County |
| Area Code(s) | 331,630 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 46,432 |
| Majority Ethnicity | White 60.11% |
| Metro/Micro Stats Area | Chicago-Naperville-Elgin, IL-IN-WI |
| US Congressional District(s) | Illinois 14thIllinois 6th |
| State House Districts | 41,42,49 |
| State Senate Districts | 21,25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 60.11% |
| African American | 3.44% |
| Hispanic | 0.28% |
| Asian | 4.61% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 31.56% |